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Engine 'convulsing' below 1k RPM


vendaz
02-06-2004, 09:47 PM
Hey people,

I have a '90 MX6 that just this week started acting up -- whenever the engine is running and the RPM gauge is below 1,000 RPM, the engine starts revving up and down really violently. I have to hold the brake and gas pedal above 1,000 to keep it from doing it, and even then it shudders.

Could this be a gas line problem? It drives fine when above 1,000 RPM.

quaddriver
02-07-2004, 10:06 AM
Hey people,

I have a '90 MX6 that just this week started acting up -- whenever the engine is running and the RPM gauge is below 1,000 RPM, the engine starts revving up and down really violently. I have to hold the brake and gas pedal above 1,000 to keep it from doing it, and even then it shudders.

Could this be a gas line problem? It drives fine when above 1,000 RPM.

you seem to have an idle control motor/mechanism either broken or hanging up....that is where you need to start looking

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